A corn plant damaged by extreme heat and drought conditions is photographed against a white background in a field in Carmi, Illinois, U.S., on Wednesday, July 11, 2012. Photographer: Daniel Acker/Bloomberg
A severely underdeveloped ear of corn hangs on a corn plant damaged by extreme heat and drought conditions, photographed against a white background, in a field in Carmi, Illinois, U.S., on Wednesday, July 11, 2012. Photographer: Daniel Acker/Bloomberg
